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author | Kartik K. Agaram <vc@akkartik.com> | 2021-07-16 08:09:42 -0700 |
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committer | Kartik K. Agaram <vc@akkartik.com> | 2021-07-16 08:28:56 -0700 |
commit | 44d26b77c45668c9b0c99894a4294cec004361fe (patch) | |
tree | 68a5dcd4971873efd4ce184e9bf9a531c2161813 /apps/ex5.mu | |
parent | ac45f097153afd3a89f43886e4124c5b2c26b98a (diff) | |
download | mu-44d26b77c45668c9b0c99894a4294cec004361fe.tar.gz |
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Diffstat (limited to 'apps/ex5.mu')
-rw-r--r-- | apps/ex5.mu | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/apps/ex5.mu b/apps/ex5.mu new file mode 100644 index 00000000..07e8bc1a --- /dev/null +++ b/apps/ex5.mu @@ -0,0 +1,16 @@ +# Draw a single line of ASCII text using the built-in font (GNU unifont) +# Also demonstrates bounds-checking _before_ drawing. +# +# To build a disk image: +# ./translate apps/ex5.mu # emits code.img +# To run: +# qemu-system-i386 code.img +# Or: +# bochs -f bochsrc # bochsrc loads code.img +# +# Expected output: text in green near the top-left corner of screen + +fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) { + var dummy/eax: int <- draw-text-rightward screen, "hello from baremetal Mu!", 0x10/x, 0x400/xmax, 0x10/y, 0xa/fg, 0/bg + dummy <- draw-text-rightward screen, "you shouldn't see this", 0x10/x, 0xa0/xmax, 0x30/y, 3/fg, 0/bg # xmax is too narrow +} |